超级军网【视频】Falcon 9 Flight 3 60-sec test
来源：百度文库 编辑：超级军网 时间：2024/04/29 07:30:45
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A 60-second long test firing of the Falcon 9 Flight 3 second stage, conducted at the SpaceX Test Facility in McGregor. Texas. The Merlin Vacuum second stage engine generates 92,500 lb of force in vacuum, and operates with a vacuum specific impulse of 342 seconds -- the highest efficiency ever for an American hydrocarbon rocket engine. In flight the engine ignites about 3 minutes after launch, delivering the Dragon spacecraft to orbit about 6 minutes later.<br /><br />
A 60-second long test firing of the Falcon 9 Flight 3 second stage, conducted at the SpaceX Test Facility in McGregor. Texas. The Merlin Vacuum second stage engine generates 92,500 lb of force in vacuum, and operates with a vacuum specific impulse of 342 seconds -- the highest efficiency ever for an American hydrocarbon rocket engine. In flight the engine ignites about 3 minutes after launch, delivering the Dragon spacecraft to orbit about 6 minutes later.
A 60-second long test firing of the Falcon 9 Flight 3 second stage, conducted at the SpaceX Test Facility in McGregor. Texas. The Merlin Vacuum second stage engine generates 92,500 lb of force in vacuum, and operates with a vacuum specific impulse of 342 seconds -- the highest efficiency ever for an American hydrocarbon rocket engine. In flight the engine ignites about 3 minutes after launch, delivering the Dragon spacecraft to orbit about 6 minutes later.<br /><br />
A 60-second long test firing of the Falcon 9 Flight 3 second stage, conducted at the SpaceX Test Facility in McGregor. Texas. The Merlin Vacuum second stage engine generates 92,500 lb of force in vacuum, and operates with a vacuum specific impulse of 342 seconds -- the highest efficiency ever for an American hydrocarbon rocket engine. In flight the engine ignites about 3 minutes after launch, delivering the Dragon spacecraft to orbit about 6 minutes later.
真空试验这样？
acoustics 发表于 2011-7-1 21:37
真空试验这样？
不是真空试验，属于upperstage certification，检测一下上面级的发动机、燃料系统和控制系统是否工作正常。
F9已经飞过两次了，真空试验通常在首飞之前进行。
acoustics 发表于 2011-7-1 21:37
真空试验这样？
不是真空试验，属于upperstage certification，检测一下上面级的发动机、燃料系统和控制系统是否工作正常。
F9已经飞过两次了，真空试验通常在首飞之前进行。
【视频】Falcon 9 Flight 3 60-sec test
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